Пример #1
0
def init_data(parser, verb_orders):
	dataset_train = CSVDataset(train_file=parser.train_file, class_list=parser.classes_file, verb_info= verb_orders, is_training=True,
							   transform=transforms.Compose([Normalizer(), Augmenter(), Resizer(True)]))

	if parser.val_file is None:
		dataset_val = None
		print('No validation annotations provided.')
	else:
		dataset_val = CSVDataset(train_file=parser.val_file, class_list=parser.classes_file, verb_info= verb_orders, is_training=False,
								 transform=transforms.Compose([Normalizer(), Resizer(False)]))

	sampler = AspectRatioBasedSampler(dataset_train, batch_size=parser.batch_size, drop_last=True)
	dataloader_train = DataLoader(dataset_train, num_workers=64, collate_fn=collater, batch_sampler=sampler)

	if dataset_val is not None:
		sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=parser.batch_size, drop_last=True)
		dataloader_val = DataLoader(dataset_val, num_workers=64, collate_fn=collater, batch_sampler=sampler_val)
	return dataloader_train, dataset_train, dataloader_val, dataset_val
Пример #2
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def main(args=None):
    parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--model', help='Path to model (.pt) file.')

    parser = parser.parse_args(args)

    dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]), is_visualizing=True)

    sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
    dataloader_val = DataLoader(dataset_val, num_workers=1, collate_fn=collater, batch_sampler=sampler_val)

    retinanet = model.resnet50(num_classes=dataset_val.num_classes(), pretrained=True)
    retinanet.load_state_dict(torch.load(parser.model))

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    scores_for_rnn = {}

    for idx, data in enumerate(dataloader_val):
        print(idx)

        with torch.no_grad():
            img_name = data['img_name'][0]
            scale = data['scale'][0]
            scores, transformed_anchors = retinanet(data['img'].cuda().float(), return_all_scores=True)
            transformed_anchors /= scale
            scores, transformed_anchors = scores.cpu(), transformed_anchors.cpu()
            scores = [[scores[i,j].item() for j in range(scores.size(1))] for i in range(scores.size(0))]
            transformed_anchors = [[transformed_anchors[i,j].item() for j in range(transformed_anchors.size(1))] for i in range(transformed_anchors.size(0))]
            curr = {'scores': scores, 'bboxes': transformed_anchors}
            scores_for_rnn[img_name] = curr

    with open('detections.json', 'w') as f:
        json.dump(scores_for_rnn, f)
Пример #3
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def main(args=None):

	parser     = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

	parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.', default="coco")
	parser.add_argument('--csv_train', help='Dataset type, must be one of csv or coco.', default="mscoco_sampled_0.1131.csv")
	parser.add_argument('--csv_classes', help='Dataset type, must be one of csv or coco.', default="coco_class_labels.csv")
	parser.add_argument('--coco_path', help='Path to COCO directory',
						default="/default/path/to/COCO2017/")

	parser = parser.parse_args(args)

	dataset_train = CocoDataset(parser.coco_path, set_name='train2017')
	dataset_csv= CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes)

	keys = []
	# get all keys in coco train set, total image count!
	for k,v in dataset_train.coco.imgToAnns.iteritems():
		keys.append(k)

	main_dict = {}
	annots = []
	imgs = []

	# select first N image
	for i in dataset_csv.image_names:
		im_id = int(i[:-4])
		for ann in dataset_train.coco.imgToAnns[im_id]:
			annots.append(ann)
		imgs.append(dataset_train.coco.imgs[im_id])

	main_dict['images'] = imgs
	main_dict['annotations'] = annots
	main_dict['categories'] = dataset_train.coco.dataset['categories']
	main_dict['info'] = dataset_train.coco.dataset['info']
	main_dict['licenses'] = dataset_train.coco.dataset['licenses']

	# dump to json
	with open('mini_coco_sampled.json', 'w') as fp:
		json.dump(main_dict, fp)
Пример #4
0
def main(args=None):
	parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

	parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
	parser.add_argument('--coco_path', help='Path to COCO directory')
	parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
	parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')
	parser.add_argument('--score_threshold', help='Score above which boxes are kept',default=0.5)
	parser.add_argument('--nms_threshold', help='Score above which boxes are kept',default=0.5)

	parser.add_argument('--model', help='Path to model (.pt) file.')

	parser = parser.parse_args(args)

	if parser.dataset == 'coco':
		dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer()]))
	elif parser.dataset == 'csv':
		dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))
	else:
		raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

	sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
	dataloader_val = DataLoader(dataset_val, num_workers=0, collate_fn=collater, batch_sampler=sampler_val,shuffle=False)

	retinanet = torch.load(parser.model)
	score_threshold = float(parser.score_threshold)
	nms_threshold = float(parser.score_threshold)
	use_gpu = True
	f = open('mAPs.txt','w')
	writer = csv.writer(f,delimiter = ",")
	if use_gpu:
		retinanet = retinanet.cuda()

	retinanet.eval()
	thresholds = np.array([0.1 + 0.05*n for n in range(10)])
	for nms_threshold in thresholds:	
		for score_threshold in thresholds:
			mAPs = csv_eval.evaluate(dataset_val, retinanet,iou_threshold=0.5,score_threshold=score_threshold,nms_threshold = nms_threshold)	
			maps=np.mean([ap[0] for ap in mAPs.values()])
			writer.writerow([score_threshold,nms_threshold,maps])
Пример #5
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def main(args=None):
	parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

	parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
	parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')
	parser = parser.parse_args(args)


	dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))

	#for ep in [1,2,3,4,5,6,7,8,9,10]:
	fout = open("./output_files/output_retinanet_photometric_inbreast.txt", 'w')

	# retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
	# retinanet = retinanet.cuda()
	# retinanet = torch.nn.DataParallel(retinanet).cuda()
	# model = TheModelClass(*args, **kwargs)

	#retinanet = torch.load("/home/anvit/Desktop/RetinaNet/pytorch-retinanet/csv_retinanet_" + str(5*ep) + ".pt")
	retinanet = torch.load("/home/anvit/Desktop/RetinaNet/pytorch-retinanet/models_photometric/csv_retinanet_10.pt")
	mAP = evaluate(dataset_val, retinanet, fout)
	print("mAP is: ", mAP)
Пример #6
0
def main(args=None):
    parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--model', help='Path to model (.pt) file.')

    parser = parser.parse_args(args)

    if parser.dataset == 'coco':
        dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer()]))
    elif parser.dataset == 'csv':
        dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))
    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')


    sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
    dataloader_val = DataLoader(dataset_val, num_workers=1, collate_fn=collater, batch_sampler=sampler_val)

    retinanet = torch.load(parser.model)

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    unnormalize = UnNormalizer()

    mAP = csv_eval.evaluate(dataset_val, retinanet)

    print(mAP)
Пример #7
0
def main(args=None):
    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )

    parser.add_argument('--model', help='Path to model (.pt) file.')

    parser = parser.parse_args(args)

    if parser.dataset == 'coco':
        dataset_val = CocoDataset(parser.coco_path,
                                  set_name='val2017',
                                  transform=transforms.Compose(
                                      [Normalizer(), Resizer()]))
    elif parser.dataset == 'csv':
        dataset_val = CSVDataset(train_file=parser.csv_val,
                                 class_list=parser.csv_classes,
                                 transform=transforms.Compose(
                                     [Normalizer(), Resizer()]))
    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    sampler_val = AspectRatioBasedSampler(dataset_val,
                                          batch_size=1,
                                          drop_last=False)
    dataloader_val = DataLoader(dataset_val,
                                num_workers=1,
                                collate_fn=collater,
                                batch_sampler=sampler_val)

    #retinanet = torch.load(parser.model)
    retinanet = model.resnet50(num_classes=80, pretrained=True)
    retinanet.load_state_dict(torch.load(parser.model))

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    if not os.path.isdir("./detection_files"):
        os.makedirs("./detection_files")

    for idx, data in enumerate(dataloader_val):

        with torch.no_grad():
            st = time.time()
            scores, classification, transformed_anchors = retinanet(
                data['img'].cuda().float())
            print('Elapsed time: {}'.format(time.time() - st))
            idxs = np.where(scores > 0.35)
            img_name = data['img_name'].split('.')[0]
            with open("./detection_files/" + img_name + '.txt', 'w') as f:
                for j in range(idxs[0].shape[0]):
                    bbox = transformed_anchors[idxs[0][j], :]
                    x1 = int(bbox[0])
                    y1 = int(bbox[1])
                    x2 = int(bbox[2])
                    y2 = int(bbox[3])
                    label_name = dataset_val.labels[int(
                        classification[idxs[0][j]])]
                    f.write('{},{},{},{},label_name'.format(
                        x1, y1, x2, y2, label_name))
                    if j < idxs[0].shape[0] - 1:
                        f.write('\n')
Пример #8
0
         ])
     )
     
     dataset_val = CocoDataset(
         root_dir=args.coco_path,
         set_name='val2017', 
         transform=transforms.Compose([
             Normalizer(),
             Resizer()
         ])
     )
     
 elif args.dataset == 'csv':
     dataset_train = CSVDataset(
         train_file=args.csv_train,
         class_list=args.csv_classes,
         transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()])
     )
     
     if args.csv_val is not None:
         dataset_val = CSVDataset(
             train_file=args.csv_val,
             class_list=args.csv_classes, 
             transform=transforms.Compose([Normalizer(), Resizer()])
         )
     else:
         dataset_val = None
         print('No validation annotations provided.')
 
 dataloader_train = DataLoader(
     dataset_train,
Пример #9
0
import numpy as np

import torch
import torch.nn as nn
import torch.optim as optim
from torch.optim import lr_scheduler
from torch.autograd import Variable
from torchvision import datasets, models, transforms
import torchvision

import model
from anchors import Anchors
import losses
from dataloader import CocoDataset, CSVDataset, collater, Resizer, AspectRatioBasedSampler, Augmenter, UnNormalizer, Normalizer
from torch.utils.data import Dataset, DataLoader

import coco_eval
import csv_eval
import warnings
warnings.filterwarnings("ignore")
assert torch.__version__.split('.')[1] == '4'
os.environ["CUDA_VISIBLE_DEVICES"] = "1"

print('CUDA available: {}'.format(torch.cuda.is_available()))

dataset_val = CSVDataset(train_file="val.csv", class_list="classes.csv", transform=transforms.Compose([Normalizer(), Resizer()]))
retinanet = torch.load("./logs/csv_retinanet_139.pt").cuda()
retinanet.eval()
map = csv_eval.evaluate(dataset_val,retinanet)
print(map)
Пример #10
0
def main(args=None):
    parser = argparse.ArgumentParser(description='Simple visualizing script for visualize a RetinaNet network.')

    parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--model', help='Path to model (.pt) file.')

    parser = parser.parse_args(args)

    if parser.dataset == 'coco':
        dataset_val = CocoDataset(parser.coco_path, set_name='val2017',
                                  transform=transforms.Compose([Normalizer(), Resizer()]))
    elif parser.dataset == 'csv':
        dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes,
                                 transform=transforms.Compose([Normalizer(mean, std), Resizer()]))
    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

    #sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
    #dataloader_val = DataLoader(dataset_val, num_workers=1, collate_fn=collater, batch_sampler=sampler_val)
    dataloader_val = DataLoader(dataset_val, num_workers=1, collate_fn=collater, batch_sampler=None, sampler=None)

    retinanet = torch.load(parser.model)

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    unnormalize = UnNormalizer(mean, std)

    def draw_caption(image, box, caption):
        b = np.array(box).astype(int)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (0, 0, 0), 2)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (255, 255, 255), 1)

    for idx, data in enumerate(dataloader_val):
        with torch.no_grad():
            st = time.time()
            scores, classification, transformed_anchors = retinanet(data['img'].cuda().float())
            print('Elapsed time: {}'.format(time.time() - st))
            # if batch_size = 1, and batch_sampler, sampler is None, then no_shuffle, will use sequential index, then the get_image_name is OK.
            # otherwise, it will failed.
            fn = dataset_val.get_image_name(idx)
            print('fn of image:', fn)
            idxs = np.where(scores.cpu() > 0.5)
            img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()

            img[img < 0] = 0
            img[img > 255] = 255

            img = np.transpose(img, (1, 2, 0))

            img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)
            print("image shape when drawcaption:", img.shape)
            for j in range(idxs[0].shape[0]):
                bbox = transformed_anchors[idxs[0][j], :]
                x1 = int(bbox[0])
                y1 = int(bbox[1])
                x2 = int(bbox[2])
                y2 = int(bbox[3])
                label_name = dataset_val.labels[int(classification[idxs[0][j]])]
                draw_caption(img, (x1, y1, x2, y2), label_name)
                cv2.rectangle(img, (x1, y1), (x2, y2), color=(0, 0, 255), thickness=2)

            if idxs[0].shape[0] == 1:
                origin_img = cv2.imread(fn)
                ret = convert_predict_to_origin_bbox(origin_img, img, x1, y1, x2, y2)
                if ret is None:
                    continue

                x1p, y1p, x2p, y2p = ret
                output_file.write(fn+','+str(x1p)+','+str(y1p)+','+str(x2p)+','+str(y2p)+',ROI\n')
                print("!!!! FN {} saved!!!".format(fn))
            else:
                not_processed_file.write(fn+",,,,,\n")

            if debug:
                cv2.imshow('img', img)
                cv2.setWindowTitle('img', fn)
                key = cv2.waitKey(0)
                if 'q'==chr(key & 255):
                    exit(0)

    output_file.close()
    not_processed_file.close()
Пример #11
0
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument(
        '--csv_train',
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )

    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=50)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=50)

    parser.add_argument('--model_name', help='name of the model to save')
    parser.add_argument('--pretrained', help='pretrained model name')

    parser = parser.parse_args(args)

    # Create the data loaders
    dataset_train = CSVDataset(train_file=parser.csv_train,
                               class_list=parser.csv_classes,
                               transform=transforms.Compose(
                                   [Resizer(),
                                    Augmenter(),
                                    Normalizer()]))

    if parser.csv_val is None:
        dataset_val = None
        print('No validation annotations provided.')
    else:
        dataset_val = CSVDataset(train_file=parser.csv_val,
                                 class_list=parser.csv_classes,
                                 transform=transforms.Compose(
                                     [Resizer(), Normalizer()]))

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=2,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=16,
                                  collate_fn=collater,
                                  batch_sampler=sampler)
    #dataloader_train = DataLoader(dataset_train, num_workers=16, collate_fn=collater, batch_size=8, shuffle=True)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=2,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=16,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)
        #dataloader_val = DataLoader(dataset_train, num_workers=16, collate_fn=collater, batch_size=8, shuffle=True)

    # Create the model_pose_level_attention
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes())
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes())
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes())
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes())
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes())
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    if ckpt:
        retinanet = torch.load('')
        print('load ckpt')
    else:
        retinanet_dict = retinanet.state_dict()
        pretrained_dict = torch.load('./weight/' + parser.pretrained)
        pretrained_dict = {
            k: v
            for k, v in pretrained_dict.items() if k in retinanet_dict
        }
        retinanet_dict.update(pretrained_dict)
        retinanet.load_state_dict(retinanet_dict)
        print('load pretrained backbone')

    print(retinanet)
    retinanet = torch.nn.DataParallel(retinanet, device_ids=[0])
    retinanet.cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
    #optimizer = optim.SGD(retinanet.parameters(), lr=1e-3, momentum=0.9, weight_decay=1e-4)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=3,
                                                     verbose=True)
    #scheduler = optim.lr_scheduler.StepLR(optimizer, step_size=20, gamma=0.1)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))
    f_map = open('./mAP_txt/' + parser.model_name + '.txt', 'a')
    writer = SummaryWriter(log_dir='./summary')
    iters = 0
    for epoch_num in range(0, parser.epochs):

        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []
        #scheduler.step()

        for iter_num, data in enumerate(dataloader_train):

            iters += 1

            optimizer.zero_grad()

            classification_loss_f, regression_loss_f, classification_loss_v, regression_loss_v = retinanet(
                [
                    data['img'].cuda().float(), data['annot'], data['vbox'],
                    data['ignore']
                ])

            classification_loss_f = classification_loss_f.mean()
            regression_loss_f = regression_loss_f.mean()
            classification_loss_v = classification_loss_v.mean()
            regression_loss_v = regression_loss_v.mean()

            loss = classification_loss_f + regression_loss_f + classification_loss_v + regression_loss_v

            if bool(loss == 0):
                continue

            loss.backward()

            torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

            optimizer.step()

            loss_hist.append(float(loss))

            epoch_loss.append(float(loss))

            print(
                'Epoch: {} | Iteration: {} | Classification loss_f: {:1.5f} | Regression loss_f: {:1.5f} | Classification loss_v {:1.5f} | Regression loss_v {:1.5f} | Running loss: {:1.5f}'
                .format(epoch_num, iter_num, float(classification_loss_f),
                        float(regression_loss_f), float(classification_loss_v),
                        float(regression_loss_v), np.mean(loss_hist)))

            writer.add_scalar('classification_loss_f', classification_loss_f,
                              iters)
            writer.add_scalar('regression_loss_f', regression_loss_f, iters)
            writer.add_scalar('classification_loss_v', classification_loss_v,
                              iters)
            writer.add_scalar('regression_loss_v', regression_loss_v, iters)
            writer.add_scalar('loss', loss, iters)

        if parser.csv_val is not None:

            print('Evaluating dataset')

            mAP = csv_eval.evaluate(dataset_val, retinanet)
            f_map.write('mAP:{}, epoch:{}'.format(mAP[0][0], epoch_num))
            f_map.write('\n')

        scheduler.step(np.mean(epoch_loss))

        torch.save(retinanet.module,
                   './ckpt/' + parser.model_name + '_{}.pt'.format(epoch_num))

    retinanet.eval()

    writer.export_scalars_to_json(
        "./summary/' + parser.pretrained + 'all_scalars.json")
    f_map.close()
    writer.close()
Пример #12
0
def main(args=None):

    parser     = argparse.ArgumentParser(description='Simple testing script for RetinaNet network.')

    parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.',default = "csv")
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)',default="binary_class.csv")
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')
    parser.add_argument('--csv_box_annot', help='Path to file containing predicted box annotations ')

    parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=18)
    parser.add_argument('--epochs', help='Number of epochs', type=int, default=500)
    parser.add_argument('--model', help='Path of .pt file with trained model',default = 'esposallescsv_retinanet_0.pt')
    parser.add_argument('--model_out', help='Path of .pt file with trained model to save',default = 'trained')

    parser.add_argument('--score_threshold', help='Score above which boxes are kept',default=0.15)
    parser.add_argument('--nms_threshold', help='Score above which boxes are kept',default=0.2)
    parser.add_argument('--max_epochs_no_improvement', help='Max epochs without improvement',default=100)
    parser.add_argument('--max_boxes', help='Max boxes to be fed to recognition',default=50)
    parser.add_argument('--seg_level', help='Line or word, to choose anchor aspect ratio',default='line')
    parser.add_argument('--htr_gt_box',help='Train recognition branch with box gt (for debugging)',default=False)
    parser = parser.parse_args(args)
    
    # Create the data loaders

    if parser.dataset == 'csv':


        if parser.csv_classes is None:
            raise ValueError('Must provide --csv_classes when training on COCO,')


        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))


        if parser.csv_box_annot is not None:
            box_annot_data = CSVDataset(train_file=parser.csv_box_annot, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))

        else:    
            box_annot_data = None
    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

    
    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
        dataloader_val = DataLoader(dataset_val, num_workers=0, collate_fn=collater, batch_sampler=sampler_val)

    if box_annot_data is not None:
        sampler_val = AspectRatioBasedSampler(box_annot_data, batch_size=1, drop_last=False)
        dataloader_box_annot = DataLoader(box_annot_data, num_workers=0, collate_fn=collater, batch_sampler=sampler_val)

    else:
        dataloader_box_annot = dataloader_val

    if not os.path.exists('trained_models'):
        os.mkdir('trained_models')

    # Create the model

    alphabet=dataset_val.alphabet
    if os.path.exists(parser.model):
        retinanet = torch.load(parser.model)
    else:
        if parser.depth == 18:
            retinanet = model.resnet18(num_classes=dataset_val.num_classes(), pretrained=True,max_boxes=int(parser.max_boxes),score_threshold=float(parser.score_threshold),seg_level=parser.seg_level,alphabet=alphabet)
        elif parser.depth == 34:
            retinanet = model.resnet34(num_classes=dataset_train.num_classes(), pretrained=True)
        elif parser.depth == 50:
            retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
        elif parser.depth == 101:
            retinanet = model.resnet101(num_classes=dataset_train.num_classes(), pretrained=True)
        elif parser.depth == 152:
            retinanet = model.resnet152(num_classes=dataset_train.num_classes(), pretrained=True)
        else:
            raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')        
    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()
    
    retinanet = torch.nn.DataParallel(retinanet).cuda()
    
    #retinanet = torch.load('../Documents/TRAINED_MODELS/pytorch-retinanet/esposallescsv_retinanet_99.pt')
    #print "LOADED pretrained MODEL\n\n"
    

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=4, verbose=True)

    loss_hist = collections.deque(maxlen=500)
    ctc = CTCLoss()
    retinanet.module.freeze_bn()
    best_cer = 1000
    epochs_no_improvement=0
    
    cers=[]    
    retinanet.eval()
    retinanet.module.epochs_only_det = 0
    #retinanet.module.htr_gt_box = False
    
    retinanet.training=False    
    if parser.score_threshold is not None:
        retinanet.module.score_threshold = float(parser.score_threshold) 
    
    '''if parser.dataset == 'csv' and parser.csv_val is not None:

        print('Evaluating dataset')
    '''
    mAP = csv_eval.evaluate(dataset_val, retinanet,score_threshold=retinanet.module.score_threshold)
    aps = []
    for k,v in mAP.items():
        aps.append(v[0])
    print ("VALID mAP:",np.mean(aps))
            
    print("score th",retinanet.module.score_threshold)
    for idx,data in enumerate(dataloader_box_annot):
        print("Eval CER on validation set:",idx,"/",len(dataloader_box_annot),"\r")
        if box_annot_data:
            image_name = box_annot_data.image_names[idx].split('/')[-1].split('.')[-2]
        else:    
            image_name = dataset_val.image_names[idx].split('/')[-1].split('.')[-2]
        #generate_pagexml(image_name,data,retinanet,parser.score_threshold,parser.nms_threshold,dataset_val)
        text_gt_path="/".join(dataset_val.image_names[idx].split('/')[:-1])
        text_gt = os.path.join(text_gt_path,image_name+'.txt')
        f =open(text_gt,'r')
        text_gt_lines=f.readlines()[0]
        transcript_pred = get_transcript(image_name,data,retinanet,retinanet.module.score_threshold,float(parser.nms_threshold),dataset_val,alphabet)
        cers.append(float(editdistance.eval(transcript_pred,text_gt_lines))/len(text_gt_lines))
        print("GT",text_gt_lines)
        print("PREDS SAMPLE:",transcript_pred)
        print("VALID CER:",np.mean(cers),"best CER",best_cer)    
    print("GT",text_gt_lines)
    print("PREDS SAMPLE:",transcript_pred)
    print("VALID CER:",np.mean(cers),"best CER",best_cer)    
Пример #13
0
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.',
                        default="csv")
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument(
        '--csv_train',
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)',
                        default="binary_class.csv")
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )

    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=18)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=500)
    parser.add_argument('--epochs_only_det',
                        help='Number of epochs to train detection part',
                        type=int,
                        default=1)
    parser.add_argument('--max_epochs_no_improvement',
                        help='Max epochs without improvement',
                        type=int,
                        default=100)
    parser.add_argument('--pretrained_model',
                        help='Path of .pt file with pretrained model',
                        default='esposallescsv_retinanet_0.pt')
    parser.add_argument('--model_out',
                        help='Path of .pt file with trained model to save',
                        default='trained')

    parser.add_argument('--score_threshold',
                        help='Score above which boxes are kept',
                        type=float,
                        default=0.5)
    parser.add_argument('--nms_threshold',
                        help='Score above which boxes are kept',
                        type=float,
                        default=0.2)
    parser.add_argument('--max_boxes',
                        help='Max boxes to be fed to recognition',
                        default=95)
    parser.add_argument('--seg_level',
                        help='[line, word], to choose anchor aspect ratio',
                        default='word')
    parser.add_argument(
        '--early_stop_crit',
        help='Early stop criterion, detection (map) or transcription (cer)',
        default='cer')
    parser.add_argument('--max_iters_epoch',
                        help='Max steps per epoch (for debugging)',
                        default=1000000)
    parser.add_argument('--train_htr',
                        help='Train recognition or not',
                        default='True')
    parser.add_argument('--train_det',
                        help='Train detection or not',
                        default='True')
    parser.add_argument(
        '--binary_classifier',
        help=
        'Wether to use classification branch as binary or not, multiclass instead.',
        default='False')
    parser.add_argument(
        '--htr_gt_box',
        help='Train recognition branch with box gt (for debugging)',
        default='False')
    parser.add_argument(
        '--ner_branch',
        help='Train named entity recognition with separate branch',
        default='False')

    parser = parser.parse_args(args)

    if parser.dataset == 'csv':

        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train')

        dataset_name = parser.csv_train.split("/")[-2]

        dataset_train = CSVDataset(train_file=parser.csv_train,
                                   class_list=parser.csv_classes,
                                   transform=transforms.Compose(
                                       [Normalizer(),
                                        Augmenter(),
                                        Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val,
                                     class_list=parser.csv_classes,
                                     transform=transforms.Compose(
                                         [Normalizer(),
                                          Resizer()]))

    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    # Files for training log

    experiment_id = str(time.time()).split('.')[0]
    valid_cer_f = open('trained_models/' + parser.model_out + 'log.txt', 'w')
    for arg in vars(parser):
        if getattr(parser, arg) is not None:
            valid_cer_f.write(
                str(arg) + ' ' + str(getattr(parser, arg)) + '\n')

    current_commit = subprocess.check_output(['git', 'rev-parse', 'HEAD'])
    valid_cer_f.write(str(current_commit))

    valid_cer_f.write(
        "epoch_num   cer     best cer     mAP    best mAP     time\n")

    valid_cer_f.close()

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=1,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=3,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=0,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    if not os.path.exists('trained_models'):
        os.mkdir('trained_models')

    # Create the model

    train_htr = parser.train_htr == 'True'
    htr_gt_box = parser.htr_gt_box == 'True'
    ner_branch = parser.ner_branch == 'True'
    binary_classifier = parser.binary_classifier == 'True'
    torch.backends.cudnn.benchmark = False

    alphabet = dataset_train.alphabet
    if os.path.exists(parser.pretrained_model):
        retinanet = torch.load(parser.pretrained_model)
        retinanet.classificationModel = ClassificationModel(
            num_features_in=256,
            num_anchors=retinanet.anchors.num_anchors,
            num_classes=dataset_train.num_classes())
        if ner_branch:
            retinanet.nerModel = NERModel(
                feature_size=256,
                pool_h=retinanet.pool_h,
                n_classes=dataset_train.num_classes(),
                pool_w=retinanet.pool_w)
    else:
        if parser.depth == 18:
            retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
                                       pretrained=True,
                                       max_boxes=int(parser.max_boxes),
                                       score_threshold=float(
                                           parser.score_threshold),
                                       seg_level=parser.seg_level,
                                       alphabet=alphabet,
                                       train_htr=train_htr,
                                       htr_gt_box=htr_gt_box,
                                       ner_branch=ner_branch,
                                       binary_classifier=binary_classifier)

        elif parser.depth == 34:

            retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
                                       pretrained=True,
                                       max_boxes=int(parser.max_boxes),
                                       score_threshold=float(
                                           parser.score_threshold),
                                       seg_level=parser.seg_level,
                                       alphabet=alphabet,
                                       train_htr=train_htr,
                                       htr_gt_box=htr_gt_box)

        elif parser.depth == 50:
            retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
                                       pretrained=True)
        elif parser.depth == 101:
            retinanet = model.resnet101(
                num_classes=dataset_train.num_classes(), pretrained=True)
        elif parser.depth == 152:
            retinanet = model.resnet152(
                num_classes=dataset_train.num_classes(), pretrained=True)
        else:
            raise ValueError(
                'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True
    train_htr = parser.train_htr == 'True'
    train_det = parser.train_det == 'True'
    retinanet.htr_gt_box = parser.htr_gt_box == 'True'

    retinanet.train_htr = train_htr
    retinanet.epochs_only_det = parser.epochs_only_det

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=50,
                                                     verbose=True)

    loss_hist = collections.deque(maxlen=500)
    ctc = CTCLoss()
    retinanet.train()
    retinanet.module.freeze_bn()

    best_cer = 1000
    best_map = 0
    epochs_no_improvement = 0
    verbose_each = 20
    optimize_each = 1
    objective = 100
    best_objective = 10000

    print(('Num training images: {}'.format(len(dataset_train))))

    for epoch_num in range(parser.epochs):
        cers = []

        retinanet.training = True

        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            if iter_num > int(parser.max_iters_epoch): break
            try:
                if iter_num % optimize_each == 0:
                    optimizer.zero_grad()
                (classification_loss, regression_loss, ctc_loss,
                 ner_loss) = retinanet([
                     data['img'].cuda().float(), data['annot'], ctc, epoch_num
                 ])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()
                if train_det:

                    if train_htr:
                        loss = ctc_loss + classification_loss + regression_loss + ner_loss

                    else:
                        loss = classification_loss + regression_loss + ner_loss

                elif train_htr:
                    loss = ctc_loss

                else:
                    continue
                if bool(loss == 0):
                    continue
                loss.backward()
                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
                if iter_num % verbose_each == 0:
                    print((
                        'Epoch: {} | Step: {} |Classification loss: {:1.5f} | Regression loss: {:1.5f} | CTC loss: {:1.5f} | NER loss: {:1.5f} | Running loss: {:1.5f} | Total loss: {:1.5f}\r'
                        .format(epoch_num, iter_num,
                                float(classification_loss),
                                float(regression_loss), float(ctc_loss),
                                float(ner_loss), np.mean(loss_hist),
                                float(loss), "\r")))

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))
                torch.cuda.empty_cache()

            except Exception as e:
                print(e)
                continue
        if parser.dataset == 'csv' and parser.csv_val is not None and train_det:

            print('Evaluating dataset')

            mAP, text_mAP, current_cer = csv_eval.evaluate(
                dataset_val, retinanet, score_threshold=parser.score_threshold)
            #text_mAP,_ = csv_eval_binary_map.evaluate(dataset_val, retinanet,score_threshold=parser.score_threshold)
            objective = current_cer * (1 - mAP)

        retinanet.eval()
        retinanet.training = False
        retinanet.score_threshold = float(parser.score_threshold)
        '''for idx,data in enumerate(dataloader_val):
            if idx>int(parser.max_iters_epoch): break
            print("Eval CER on validation set:",idx,"/",len(dataset_val),"\r")
            image_name = dataset_val.image_names[idx].split('/')[-1].split('.')[-2]

            #generate_pagexml(image_name,data,retinanet,parser.score_threshold,parser.nms_threshold,dataset_val)
            text_gt =".".join(dataset_val.image_names[idx].split('.')[:-1])+'.txt'
            f =open(text_gt,'r')
            text_gt_lines=f.readlines()[0]
            transcript_pred = get_transcript(image_name,data,retinanet,float(parser.score_threshold),float(parser.nms_threshold),dataset_val,alphabet)
            cers.append(float(editdistance.eval(transcript_pred,text_gt_lines))/len(text_gt_lines))'''

        t = str(time.time()).split('.')[0]

        valid_cer_f.close()
        #print("GT",text_gt_lines)
        #print("PREDS SAMPLE:",transcript_pred)

        if parser.early_stop_crit == 'cer':

            if float(objective) < float(
                    best_objective):  #float(current_cer)<float(best_cer):
                best_cer = current_cer
                best_objective = objective

                epochs_no_improvement = 0
                torch.save(
                    retinanet.module, 'trained_models/' + parser.model_out +
                    '{}_retinanet.pt'.format(parser.dataset))

            else:
                epochs_no_improvement += 1
            if mAP > best_map:
                best_map = mAP
        elif parser.early_stop_crit == 'map':
            if mAP > best_map:
                best_map = mAP
                epochs_no_improvement = 0
                torch.save(
                    retinanet.module, 'trained_models/' + parser.model_out +
                    '{}_retinanet.pt'.format(parser.dataset))

            else:
                epochs_no_improvement += 1
            if float(current_cer) < float(best_cer):
                best_cer = current_cer
        if train_det:
            print(epoch_num, "mAP: ", mAP, " best mAP", best_map)
        if train_htr:
            print("VALID CER:", current_cer, "best CER", best_cer)
        print("Epochs no improvement:", epochs_no_improvement)
        valid_cer_f = open('trained_models/' + parser.model_out + 'log.txt',
                           'a')
        valid_cer_f.write(
            str(epoch_num) + " " + str(current_cer) + " " + str(best_cer) +
            ' ' + str(mAP) + ' ' + str(best_map) + ' ' + str(text_mAP) + '\n')
        if epochs_no_improvement > 3:
            for param_group in optimizer.param_groups:
                if param_group['lr'] > 10e-5:
                    param_group['lr'] *= 0.1

        if epochs_no_improvement >= parser.max_epochs_no_improvement:
            print("TRAINING FINISHED AT EPOCH", epoch_num, ".")
            sys.exit()

        scheduler.step(np.mean(epoch_loss))
        torch.cuda.empty_cache()

    retinanet.eval()
def train(args):
    train_csv = args.train_csv
    test_csv = args.test_csv
    labels_csv = args.labels_csv
    model_type = args.model_type
    epochs = int(args.epochs)
    batch_size = int(args.batch_size)

    dataset_train = CSVDataset(train_file=train_csv,
                               class_list=labels_csv,
                               transform=transforms.Compose(
                                   [Normalizer(),
                                    Augmenter(),
                                    Resizer()]))
    dataset_val = CSVDataset(train_file=test_csv,
                             class_list=labels_csv,
                             transform=transforms.Compose(
                                 [Normalizer(), Resizer()]))

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=batch_size,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=3,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    retinanet = RetinaNet_efficientnet_b4(
        num_classes=dataset_train.num_classes(), model_type=model_type)

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=3,
                                                     verbose=True)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))

    for epoch_num in range(epochs):
        retinanet.train()
        retinanet.module.freeze_bn()
        epoch_loss = []
        for iter_num, data in enumerate(dataloader_train):
            try:
                optimizer.zero_grad()
                classification_loss, regression_loss = retinanet(
                    [data['img'].cuda().float(), data['annot']])
                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()
                loss = classification_loss + regression_loss
                if bool(loss == 0):
                    continue
                loss.backward()
                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)
                optimizer.step()
                loss_hist.append(float(loss))
                epoch_loss.append(float(loss))
                print(
                    'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
                    .format(epoch_num, iter_num, float(classification_loss),
                            float(regression_loss), np.mean(loss_hist)))
                del classification_loss
                del regression_loss
            except Exception as e:
                print(e)
                continue
        mAP, MAP = evaluate(dataset_val, retinanet)
        scheduler.step(np.mean(epoch_loss))
        torch.save(
            retinanet.module,
            '{}_retinanet_{}_map{}.pt'.format("EfficientNet" + model_type,
                                              epoch_num, MAP))
        retinanet.eval()
        torch.save(retinanet, 'model_final.pt'.format(epoch_num))
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple testing script for RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.',
                        default="csv")
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)',
                        default="binary_class.csv")
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )
    parser.add_argument(
        '--csv_box_annot',
        help='Path to file containing predicted box annotations ')

    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=18)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=500)
    parser.add_argument('--model',
                        help='Path of .pt file with trained model',
                        default='esposallescsv_retinanet_0.pt')
    parser.add_argument('--model_out',
                        help='Path of .pt file with trained model to save',
                        default='trained')

    parser.add_argument('--score_threshold',
                        help='Score above which boxes are kept',
                        default=0.15)
    parser.add_argument('--nms_threshold',
                        help='Score above which boxes are kept',
                        default=0.2)
    parser.add_argument('--max_epochs_no_improvement',
                        help='Max epochs without improvement',
                        default=100)
    parser.add_argument('--max_boxes',
                        help='Max boxes to be fed to recognition',
                        default=50)
    parser.add_argument('--seg_level',
                        help='Line or word, to choose anchor aspect ratio',
                        default='line')
    parser.add_argument(
        '--htr_gt_box',
        help='Train recognition branch with box gt (for debugging)',
        default=False)
    parser.add_argument(
        '--binary_classifier',
        help=
        'Wether to use classification branch as binary or not, multiclass instead.',
        default='False')
    parser = parser.parse_args(args)

    # Create the data loaders

    if parser.dataset == 'csv':

        if parser.csv_classes is None:
            raise ValueError(
                'Must provide --csv_classes when training on COCO,')

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val,
                                     class_list=parser.csv_classes,
                                     transform=transforms.Compose(
                                         [Normalizer(),
                                          Resizer()]))

        if parser.csv_box_annot is not None:
            box_annot_data = CSVDataset(train_file=parser.csv_box_annot,
                                        class_list=parser.csv_classes,
                                        transform=transforms.Compose(
                                            [Normalizer(),
                                             Resizer()]))

        else:
            box_annot_data = None
    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=0,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    if box_annot_data is not None:
        sampler_val = AspectRatioBasedSampler(box_annot_data,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_box_annot = DataLoader(box_annot_data,
                                          num_workers=0,
                                          collate_fn=collater,
                                          batch_sampler=sampler_val)

    else:
        dataloader_box_annot = dataloader_val

    if not os.path.exists('trained_models'):
        os.mkdir('trained_models')

    # Create the model

    alphabet = dataset_val.alphabet
    if os.path.exists(parser.model):
        retinanet = torch.load(parser.model)
    else:
        print("Choose an existing saved model path.")
        sys.exit()
    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    #retinanet = torch.load('../Documents/TRAINED_MODELS/pytorch-retinanet/esposallescsv_retinanet_99.pt')
    #print "LOADED pretrained MODEL\n\n"

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=4,
                                                     verbose=True)

    loss_hist = collections.deque(maxlen=500)
    ctc = CTCLoss()
    retinanet.module.freeze_bn()
    best_cer = 1000
    epochs_no_improvement = 0

    cers = []
    retinanet.eval()
    retinanet.module.epochs_only_det = 0
    #retinanet.module.htr_gt_box = False

    retinanet.training = False
    if parser.score_threshold is not None:
        retinanet.module.score_threshold = float(parser.score_threshold)
    '''if parser.dataset == 'csv' and parser.csv_val is not None:

        print('Evaluating dataset')
    '''
    mAP, binary_mAP, cer = csv_eval.evaluate(
        dataset_val,
        retinanet,
        score_threshold=retinanet.module.score_threshold)
Пример #16
0
def bbox_extraction(file_list='./data/images2.csv'):
    weights_path = './models/csv_retinanet_25.pt'
    csv_classes = './classes.csv'

    dataset_val = CSVDataset(train_file=file_list,
                             class_list=csv_classes,
                             transform=transforms.Compose(
                                 [Normalizer(), Resizer()]))
    # dataset_val = CSVDataset(train_file=file_list, class_list= csv_classes, transform=transforms.Compose([Normalizer()]))
    sampler_val = AspectRatioBasedSampler(dataset_val,
                                          batch_size=1,
                                          drop_last=False)
    dataloader_val = DataLoader(dataset_val,
                                num_workers=1,
                                collate_fn=collater,
                                batch_sampler=sampler_val)

    retinanet = model.resnet50(num_classes=dataset_val.num_classes(),
                               pretrained=False)
    retinanet.load_state_dict(torch.load(weights_path))

    use_gpu = True
    if torch.cuda.is_available():
        device = torch.device("cuda")
    if use_gpu:
        retinanet = retinanet.to(device)

    retinanet.eval()

    unnormalize = UnNormalizer()

    for idx, data in enumerate(dataloader_val):

        with torch.no_grad():
            scores, classification, transformed_anchors = retinanet(
                data['img'].to(device).float())

            def get_bbox(classification, transformed_anchors, label=0):
                bbox = {}
                idx = np.where(classification == label)[0][0]
                co_ord = transformed_anchors[idx, :]
                bbox['x1'] = int(co_ord[0])
                bbox['y1'] = int(co_ord[1])
                bbox['x2'] = int(co_ord[2])
                bbox['y2'] = int(co_ord[3])

                return bbox

            scores = scores.cpu().numpy()
            classification = classification.cpu().numpy()
            transformed_anchors = transformed_anchors.cpu().numpy()
            # print('scores:',scores)
            # print('classification:', classification)
            # print('transformed_anchors', transformed_anchors)
            bbox = {}
            bbox['neck'] = get_bbox(classification,
                                    transformed_anchors,
                                    label=0)
            bbox['stomach'] = get_bbox(classification,
                                       transformed_anchors,
                                       label=1)

            # print('neck',bbox['neck'] )
            # print('stomach',bbox['stomach'] )

            img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()
            img[img < 0] = 0
            img[img > 255] = 255

            img = np.transpose(img, (1, 2, 0))

            img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)

            cv2.rectangle(img, (bbox['neck']['x1'], bbox['neck']['y1']),
                          (bbox['neck']['x2'], bbox['neck']['y2']),
                          color=(0, 0, 255),
                          thickness=2)
            cv2.rectangle(img, (bbox['stomach']['x1'], bbox['stomach']['y1']),
                          (bbox['stomach']['x2'], bbox['stomach']['y2']),
                          color=(0, 0, 255),
                          thickness=2)

            # cv2.imshow('img', img)
            # cv2.imwrite('./sample_11.jpg',img)
            # cv2.waitKey(0)

            return bbox


# bbox_extraction()

# if __name__ == '__main__':
#  main()
def main(args=None):

    parser     = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',default="csv", help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path',default="/home/mayank-s/PycharmProjects/Datasets/coco",help='Path to COCO directory')
    parser.add_argument('--csv_train',default="berkely_ready_to_train_for_retinanet_pytorch.csv", help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',default="berkely_class.csv", help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=50)
    parser.add_argument('--epochs', help='Number of epochs', type=int, default=200)
    # parser.add_argument('--resume', default=0, help='resume from checkpoint')
    parser = parser.parse_args(args)
    # print(args.resume)

    # Create the data loaders
    if parser.dataset == 'coco':

        if parser.coco_path is None:
            raise ValueError('Must provide --coco_path when training on COCO,')

        dataset_train = CocoDataset(parser.coco_path, set_name='train2014', transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))
        dataset_val = CocoDataset(parser.coco_path, set_name='val2014', transform=transforms.Compose([Normalizer(), Resizer()]))

    elif parser.dataset == 'csv':

        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train when training on COCO,')

        if parser.csv_classes is None:
            raise ValueError('Must provide --csv_classes when training on COCO,')


        dataset_train = CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))

    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

    sampler = AspectRatioBasedSampler(dataset_train, batch_size=4, drop_last=False)
    dataloader_train = DataLoader(dataset_train, num_workers=0, collate_fn=collater, batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
        dataloader_val = DataLoader(dataset_val, num_workers=3, collate_fn=collater, batch_sampler=sampler_val)

    # Create the model
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes(), pretrained=True)
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes(), pretrained=True)
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes(), pretrained=True)
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes(), pretrained=True)
    else:
        raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True

    # if use_gpu:
    if torch.cuda.is_available():
        retinanet = retinanet.cuda()

        retinanet = torch.nn.DataParallel(retinanet).cuda()

        retinanet.training = True
    ###################################################################################3
    # # args.resume=0
    # Resume_model = False
    # start_epoch=0
    # if Resume_model:
    #     print('==> Resuming from checkpoint..')
    #     checkpoint = torch.load('./checkpoint/saved_with_epochs/retina_fpn_1')
    #     retinanet.load_state_dict(checkpoint['net'])
    #     best_loss = checkpoint['loss']
    #     start_epoch = checkpoint['epoch']
    #     print('Resuming from epoch:{ep}  loss:{lp}'.format(ep=start_epoch, lp=best_loss))
    #####################################################################################
    optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=3, verbose=True)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))

    retinanet = torch.load("./checkpoint/retina_fpn_1")

    # epoch_num=start_epoch
    for epoch_num in range(parser.epochs):

        # retinanet.train()retina_fpn_1
        # retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            try:
                optimizer.zero_grad()
                if torch.cuda.is_available():
                    classification_loss, regression_loss = retinanet([data['img'].cuda().float(), data['annot']])
                else:
                    classification_loss, regression_loss = retinanet([data['img'].float(), data['annot']])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()

                loss = classification_loss + regression_loss

                if bool(loss == 0):
                    continue

                loss.backward()

                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))

                print('Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'.format(epoch_num, iter_num, float(classification_loss), float(regression_loss), np.mean(loss_hist)))

                del classification_loss
                del regression_loss
            except Exception as e:
                print(e)
                continue

        # print("Saving model...")
        # name = "./checkpoint/retina_fpn_" + str(epoch_num)
        # torch.save(retinanet, name)
        # ###################################################################333
        print('Saving..')
        state = {
            'net': retinanet.module.state_dict(),
            'loss': loss_hist,
            'epoch': epoch_num,
        }
        if not os.path.isdir('checkpoint/saved_with_epochs'):
            os.mkdir('checkpoint/saved_with_epochs')
        # checkpoint_path="./checkpoint/Ckpt_"+
        name = "./checkpoint/saved_with_epochs/retina_fpn_" + str(epoch_num)
        torch.save(state, name)
        # torch.save(state, './checkpoint/retinanet.pth')
        #####################################################################

        '''if parser.dataset == 'coco':
Пример #18
0
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',
                        default="csv",
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument(
        '--csv_train',
        default="./data/train_only.csv",
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        default="./data/classes.csv",
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        default="./data/train_only.csv",
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )
    parser.add_argument('--voc_train',
                        default="./data/voc_train",
                        help='Path to containing images and annAnnotations')
    parser.add_argument('--voc_val',
                        default="./data/bov_train",
                        help='Path to containing images and annAnnotations')
    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=101)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=40)

    parser = parser.parse_args(args)
    # Create the data loaders
    if parser.dataset == 'coco':

        if parser.coco_path is None:
            raise ValueError('Must provide --coco_path when training on COCO,')

        dataset_train = CocoDataset(parser.coco_path,
                                    set_name='train2017',
                                    transform=transforms.Compose(
                                        [Normalizer(),
                                         Augmenter(),
                                         Resizer()]))
        dataset_val = CocoDataset(parser.coco_path,
                                  set_name='val2017',
                                  transform=transforms.Compose(
                                      [Normalizer(), Resizer()]))

    elif parser.dataset == 'csv':

        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train when training on COCO,')

        if parser.csv_classes is None:
            raise ValueError(
                'Must provide --csv_classes when training on COCO,')

        dataset_train = CSVDataset(train_file=parser.csv_train,
                                   class_list=parser.csv_classes,
                                   transform=transforms.Compose(
                                       [Normalizer(),
                                        Augmenter(),
                                        Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val,
                                     class_list=parser.csv_classes,
                                     transform=transforms.Compose(
                                         [Normalizer(),
                                          Resizer()]))
    elif parser.dataset == 'voc':
        if parser.voc_train is None:
            raise ValueError(
                'Must provide --voc_train when training on PASCAL VOC,')
        dataset_train = XML_VOCDataset(
            img_path=parser.voc_train + 'JPEGImages/',
            xml_path=parser.voc_train + 'Annotations/',
            class_list=class_list,
            transform=transforms.Compose(
                [Normalizer(), Augmenter(),
                 ResizerMultiScale()]))

        if parser.voc_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = XML_VOCDataset(
                img_path=parser.voc_val + 'JPEGImages/',
                xml_path=parser.voc_val + 'Annotations/',
                class_list=class_list,
                transform=transforms.Compose([Normalizer(),
                                              Resizer()]))

    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=1,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=2,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=2,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    # Create the model
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-4)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=15,
                                                     verbose=True,
                                                     mode="max")
    #scheduler = optim.lr_scheduler.StepLR(optimizer,8)
    loss_hist = collections.deque(maxlen=1024)

    retinanet.train()
    retinanet.module.freeze_bn()
    if not os.path.exists("./logs"):
        os.mkdir("./logs")
    log_file = open("./logs/log.txt", "w")
    print('Num training images: {}'.format(len(dataset_train)))
    best_map = 0
    print("Training models...")
    for epoch_num in range(parser.epochs):

        #scheduler.step(epoch_num)
        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            #print('iter num is: ', iter_num)
            try:
                #print(csv_eval.evaluate(dataset_val[:20], retinanet)[0])
                #print(type(csv_eval.evaluate(dataset_val, retinanet)))
                #print('iter num is: ', iter_num % 10 == 0)
                optimizer.zero_grad()

                classification_loss, regression_loss = retinanet(
                    [data['img'].cuda().float(), data['annot']])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()

                loss = classification_loss + regression_loss
                #print(loss)

                if bool(loss == 0):
                    continue

                loss.backward()

                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))
                if iter_num % 50 == 0:
                    print(
                        'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
                        .format(epoch_num, iter_num,
                                float(classification_loss),
                                float(regression_loss), np.mean(loss_hist)))
                    log_file.write(
                        'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f} \n'
                        .format(epoch_num, iter_num,
                                float(classification_loss),
                                float(regression_loss), np.mean(loss_hist)))
                del classification_loss
                del regression_loss
            except Exception as e:
                print(e)
                continue

        if parser.dataset == 'coco':

            print('Evaluating dataset')

            coco_eval.evaluate_coco(dataset_val, retinanet)

        elif parser.dataset == 'csv' and parser.csv_val is not None:

            print('Evaluating dataset')

            mAP = csv_eval.evaluate(dataset_val, retinanet)
        elif parser.dataset == 'voc' and parser.voc_val is not None:

            print('Evaluating dataset')

            mAP = voc_eval.evaluate(dataset_val, retinanet)

        try:
            is_best_map = mAP[0][0] > best_map
            best_map = max(mAP[0][0], best_map)
        except:
            pass
        if is_best_map:
            print("Get better map: ", best_map)

            torch.save(retinanet.module,
                       './logs/{}_scale15_{}.pt'.format(epoch_num, best_map))
            shutil.copyfile(
                './logs/{}_scale15_{}.pt'.format(epoch_num, best_map),
                "./best_models/model.pt")
        else:
            print("Current map: ", best_map)
        scheduler.step(best_map)
    retinanet.eval()

    torch.save(retinanet, './logs/model_final.pt')
Пример #19
0
def main(args=None):

    parser = argparse.ArgumentParser(description='Training script for training a EfficientDet network.')

    parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_train', help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--phi', help='EfficientNet scaling coefficient.', type=int, default=0)
    parser.add_argument('--batch-size', help='Batch size', type=int, default=8)
    parser.add_argument('--epochs', help='Number of epochs', type=int, default=100)

    parser = parser.parse_args(args)

    # Create the data loaders
    if parser.dataset == 'coco':

        if parser.coco_path is None:
            raise ValueError('Must provide --coco_path when training on COCO,')

        dataset_train = CocoDataset(parser.coco_path, set_name='train2017', transform=transforms.Compose([Normalizer(), Augmenter(), Resizer(img_size=512)]))
        dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer(img_size=512)]))

    elif parser.dataset == 'csv':

        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train when training on COCO')

        if parser.csv_classes is None:
            raise ValueError('Must provide --csv_classes when training on COCO')


        dataset_train = CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))

    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

    sampler = AspectRatioBasedSampler(dataset_train, batch_size=parser.batch_size, drop_last=False)
    dataloader_train = DataLoader(dataset_train, num_workers=3, collate_fn=collater, batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
        dataloader_val = DataLoader(dataset_val, num_workers=3, collate_fn=collater, batch_sampler=sampler_val)

    # Create the model
    efficientdet = model.efficientdet(num_classes=dataset_train.num_classes(), pretrained=True, phi=parser.phi)      

    use_gpu = True

    if use_gpu:
        efficientdet = efficientdet.cuda()
    
    efficientdet = torch.nn.DataParallel(efficientdet).cuda()

    efficientdet.training = True

    optimizer = optim.Adam(efficientdet.parameters(), lr=1e-5)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=3, verbose=True)

    loss_hist = collections.deque(maxlen=500)

    efficientdet.train()
    efficientdet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))

    for epoch_num in range(parser.epochs):

        efficientdet.train()
        efficientdet.module.freeze_bn()
        
        epoch_loss = []
        
        print(('\n' + '%10s' * 5) % ('Epoch', 'gpu_mem', 'Loss', 'cls', 'rls'))
        
        pbar = tqdm(enumerate(dataloader_train), total=len(dataloader_train))
        for iter_num, data in pbar:
            try:
                optimizer.zero_grad()
                
                classification_loss, regression_loss = efficientdet([data['img'].cuda().float(), data['annot']])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()

                loss = classification_loss + regression_loss
                
                if bool(loss == 0):
                    continue

                loss.backward()

                torch.nn.utils.clip_grad_norm_(efficientdet.parameters(), 0.1)

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))
                
                loss = (loss * iter_num) / (iter_num + 1)  # update mean losses
                mem = torch.cuda.memory_cached() / 1E9 if torch.cuda.is_available() else 0  # (GB)
                s = ('%10s' * 2 + '%10.3g' * 3) % (
                    '%g/%g' % (epoch_num, parser.epochs - 1), '%.3gG' % mem, np.mean(loss_hist), float(regression_loss), float(classification_loss))
                pbar.set_description(s)
                
                del classification_loss
                del regression_loss
            except Exception as e:
                raise(e)
                continue

        if parser.dataset == 'coco':

            print('Evaluating dataset')

            coco_eval.evaluate_coco(dataset_val, efficientdet)

        elif parser.dataset == 'csv' and parser.csv_val is not None:

            print('Evaluating dataset')

            mAP = csv_eval.evaluate(dataset_val, efficientdet)

        
        scheduler.step(np.mean(epoch_loss))    

        torch.save(efficientdet.module, '{}_retinanet_{}.pt'.format(parser.dataset, epoch_num))

    efficientdet.eval()

    torch.save(efficientdet, 'model_final.pt'.format(epoch_num))
def visualize(csv_val, csv_classes, model):

    dataset = "csv"

    if dataset == 'csv':
        dataset_val = CSVDataset(train_file=csv_val,
                                 class_list=csv_classes,
                                 transform=transforms.Compose(
                                     [Normalizer(), Resizer()]))
    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    sampler_val = AspectRatioBasedSampler(dataset_val,
                                          batch_size=1,
                                          drop_last=False)
    dataloader_val = DataLoader(dataset_val,
                                num_workers=1,
                                collate_fn=collater,
                                batch_sampler=sampler_val)

    retinanet = torch.load(model)

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    unnormalize = UnNormalizer()

    def draw_caption(image, box, caption):

        b = np.array(box).astype(int)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN,
                    1, (0, 0, 0), 2)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN,
                    1, (0, 180, 0), 1)

    def draw_caption_original(image, box, caption):

        b = np.array(box).astype(int)
        #print("b", b)
        cv2.putText(image, caption, (b[0], b[3] + 20), cv2.FONT_HERSHEY_PLAIN,
                    1, (0, 0, 0), 2)
        cv2.putText(image, caption, (b[0], b[3] + 20), cv2.FONT_HERSHEY_PLAIN,
                    1, (0, 0, 180), 1)  #B

    kaggle_ouput = []
    for idx, data in enumerate(dataloader_val):
        print(idx)
        kaggle_row = []
        with torch.no_grad():
            st = time.time()
            #print("data shape:", data['img'].shape)
            scores, classification, transformed_anchors = retinanet(
                data['img'].cuda().float())
            #print('Elapsed time: {}'.format(time.time()-st))
            idxs = np.where(scores > 0.5)
            img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()

            print('Scores', scores)
            #print("name", data['name'])

            img[img < 0] = 0
            img[img > 255] = 255

            img = np.transpose(img, (1, 2, 0))

            img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)

            kaggle_row.append(get_filename(data['name'][0]))
            row = ''
            for j in range(idxs[0].shape[0]):
                bbox = transformed_anchors[idxs[0][j], :]
                x1 = int(bbox[0])
                y1 = int(bbox[1])
                x2 = int(bbox[2])
                y2 = int(bbox[3])
                label_name = dataset_val.labels[int(
                    classification[idxs[0][j]])]
                draw_caption(img, (x1, y1, x2, y2), "Predicted opacity")

                cv2.rectangle(img, (x1, y1), (x2, y2),
                              color=(0, 255, 0),
                              thickness=2)
                #print(x1, y1, x2, y2)
                if (j == 0):
                    row = row + str(round(
                        scores[j].item(), 2)) + " " + str(x1) + ' ' + str(
                            y1) + ' ' + str(x2 - x1) + ' ' + str(y2 - y1)
                    pass
                else:
                    row = row + " " + str(round(
                        scores[j].item(), 2)) + " " + str(x1) + ' ' + str(
                            y1) + ' ' + str(x2 - x1) + ' ' + str(y2 - y1)

            for ann in data['annot']:
                for annotation in ann:
                    #print("Original annot:", ann)
                    if annotation[0] != -1:
                        draw_caption_original(img,
                                              (annotation[0], annotation[1],
                                               annotation[2], annotation[3]),
                                              "Real opacity")

                    cv2.rectangle(img, (annotation[0], annotation[1]),
                                  (annotation[2], annotation[3]),
                                  color=(0, 0, 255),
                                  thickness=2)
                pass

            cv2.imshow('img', img)
            kaggle_row.append(row)
            #print(kaggle_row)
            #print(idxs)
            kaggle_ouput.append(kaggle_row)
            cv2.waitKey(0)

    import pandas as pd
    pd.DataFrame(kaggle_ouput, columns=[
        'patientId', 'PredictionString'
    ]).to_csv("/home/jdmaestre/PycharmProjects/test_kaggle.csv")
Пример #21
0
def main(args=None):
#def main(epoch):
	parser     = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

	parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
	parser.add_argument('--coco_path', help='Path to COCO directory')
	parser.add_argument('--csv_train', help='Path to file containing training annotations (see readme)')
	parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
	parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

	parser.add_argument('--depth', help='Resnet depth, must be one of 18, 34, 50, 101, 152', type=int, default=50)
	parser.add_argument('--epochs', help='Number of epochs', type=int, default=100)

	#parser.add_argument('--resume', '-r', action='store_true', help='resume from checkpoint')
	parser.add_argument('--start-epoch', default=0, type=int, help='manual epoch number (useful on restarts)')

	parser.add_argument('--resume', default='', type=str, metavar='PATH', help='path to latest checkpoint (default: none)')

	parser = parser.parse_args(args)
	#args = parser.parse_args()        
	#parser = parser.parse_args(epoch)

	# Create the data loaders
	if parser.dataset == 'coco':

		if parser.coco_path is None:
			raise ValueError('Must provide --coco_path when training on COCO,')

		dataset_train = CocoDataset(parser.coco_path, set_name='train2017', transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))
		dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer()]))

	elif parser.dataset == 'csv':

		if parser.csv_train is None:
			raise ValueError('Must provide --csv_train when training on COCO,')

		if parser.csv_classes is None:
			raise ValueError('Must provide --csv_classes when training on COCO,')


		dataset_train = CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Augmenter(), Resizer()]))

		if parser.csv_val is None:
			dataset_val = None
			print('No validation annotations provided.')
		else:
			dataset_val = CSVDataset(train_file=parser.csv_val, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), Resizer()]))

	else:
		raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

	sampler = AspectRatioBasedSampler(dataset_train, batch_size=4, drop_last=False)
	dataloader_train = DataLoader(dataset_train, num_workers=3, collate_fn=collater, batch_sampler=sampler)

	if dataset_val is not None:
		sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
		dataloader_val = DataLoader(dataset_val, num_workers=3, collate_fn=collater, batch_sampler=sampler_val)

	# Create the model
	if parser.depth == 18:
		retinanet = model.resnet18(num_classes=dataset_train.num_classes(), pretrained=True)
	elif parser.depth == 34:
		retinanet = model.resnet34(num_classes=dataset_train.num_classes(), pretrained=True)
	elif parser.depth == 50:
		retinanet = model.resnet50(num_classes=dataset_train.num_classes(), pretrained=True)
	elif parser.depth == 101:
		retinanet = model.resnet101(num_classes=dataset_train.num_classes(), pretrained=True)
	elif parser.depth == 152:
		retinanet = model.resnet152(num_classes=dataset_train.num_classes(), pretrained=True)
	else:
		raise ValueError('Unsupported model depth, must be one of 18, 34, 50, 101, 152')		

	use_gpu = True

	if use_gpu:
		retinanet = retinanet.cuda()

	#retinanet().load_state_dict(torch.load('/users/wenchi/ghwwc/Pytorch-retinanet-master/resnet50-19c8e357.pth'))
       
	#if True:
           #print('==> Resuming from checkpoint..')
           #checkpoint = torch.load('/users/wenchi/ghwwc/Pytorch-retinanet-master/coco_retinanet_2.pt')
           #retinanet().load_state_dict(checkpoint)
           #best_loss = checkpoint['loss']
           #start_epoch = checkpoint['epoch']
        
	
	retinanet = torch.nn.DataParallel(retinanet).cuda()

	retinanet.training = True

	#optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
	optimizer = optim.SGD(retinanet.parameters(), lr=1e-5)

	scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer, patience=3, verbose=True)

	loss_hist = collections.deque(maxlen=500)

	retinanet.train()
	#retinanet.freeze_bn()               #for train from a middle state
	retinanet.module.freeze_bn()       #for train from the very beginning

	print('Num training images: {}'.format(len(dataset_train)))

	for epoch_num in range(parser.start_epoch, parser.epochs):

		if parser.resume:
		    if os.path.isfile(parser.resume):
                        print("=>loading checkpoint '{}'".format(parser.resume))
                        checkpoint = torch.load(parser.resume)
                        print(parser.start_epoch)
                        #parser.start_epoch = checkpoint['epoch']
                        #retinanet.load_state_dict(checkpoint['state_dict'])
                        retinanet=checkpoint
                        #retinanet.load_state_dict(checkpoint)
                        print(retinanet)
                        #optimizer.load_state_dict(checkpoint)
                        print("=> loaded checkpoint '{}' (epoch {})".format(parser.resume, checkpoint))
		    else:
                        print("=> no checkpoint found at '{}'".format(parser.resume))

		retinanet.train()
		retinanet.freeze_bn()
		#retinanet.module.freeze_bn()

		if parser.dataset == 'coco':

			print('Evaluating dataset')

			coco_eval.evaluate_coco(dataset_val, retinanet)

		elif parser.dataset == 'csv' and parser.csv_val is not None:

			print('Evaluating dataset')

			mAP = csv_eval.evaluate(dataset_val, retinanet)
		
		epoch_loss = []
		
		for iter_num, data in enumerate(dataloader_train):
			try:
				optimizer.zero_grad()

				classification_loss, regression_loss = retinanet([data['img'].cuda().float(), data['annot'].cuda()])

				classification_loss = classification_loss.mean()
				regression_loss = regression_loss.mean()

				loss = classification_loss + regression_loss
				
				if bool(loss == 0):
					continue

				loss.backward()

				torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

				optimizer.step()

				loss_hist.append(float(loss))

				epoch_loss.append(float(loss))

				print('Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'.format(epoch_num, iter_num, float(classification_loss), float(regression_loss), np.mean(loss_hist)))
				
				del classification_loss
				del regression_loss
			except Exception as e:
				print(e)
				continue

		if parser.dataset == 'coco':

			print('Evaluating dataset')

			coco_eval.evaluate_coco(dataset_val, retinanet)

		elif parser.dataset == 'csv' and parser.csv_val is not None:

			print('Evaluating dataset')

			mAP = csv_eval.evaluate(dataset_val, retinanet)

		
		scheduler.step(np.mean(epoch_loss))	

		#torch.save(retinanet.module, '{}_retinanet_101_{}.pt'.format(parser.dataset, epoch_num))
		torch.save(retinanet, '{}_retinanet_dilation_experiment1_{}.pt'.format(parser.dataset, epoch_num))
		name = '{}_retinanet_dilation_experiment1_{}.pt'.format(parser.dataset, epoch_num)
		parser.resume = '/users/wenchi/ghwwc/pytorch-retinanet-master_new/name'

	retinanet.eval()

	torch.save(retinanet, 'model_final_dilation_experiment1.pt'.format(epoch_num))
Пример #22
0
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple training script for training a CTracker network.')

    parser.add_argument('--dataset',
                        default='csv',
                        type=str,
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--model_dir',
                        default='./ctracker/',
                        type=str,
                        help='Path to save the model.')
    parser.add_argument(
        '--root_path',
        default='/Dataset/Tracking/MOT17/',
        type=str,
        help='Path of the directory containing both label and images')
    parser.add_argument(
        '--csv_train',
        default='train_annots.csv',
        type=str,
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        default='train_labels.csv',
                        type=str,
                        help='Path to file containing class list (see readme)')

    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=50)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=100)
    parser.add_argument('--print_freq',
                        help='Print frequency',
                        type=int,
                        default=100)
    parser.add_argument(
        '--save_every',
        help='Save a checkpoint of model at given interval of epochs',
        type=int,
        default=5)

    parser = parser.parse_args(args)
    print(parser)

    print(parser.model_dir)
    if not os.path.exists(parser.model_dir):
        os.makedirs(parser.model_dir)

    # Create the data loaders
    if parser.dataset == 'csv':
        if (parser.csv_train is None) or (parser.csv_train == ''):
            raise ValueError('Must provide --csv_train when training on COCO,')

        if (parser.csv_classes is None) or (parser.csv_classes == ''):
            raise ValueError(
                'Must provide --csv_classes when training on COCO,')

        dataset_train = CSVDataset(parser.root_path, train_file=os.path.join(parser.root_path, parser.csv_train), class_list=os.path.join(parser.root_path, parser.csv_classes), \
         transform=transforms.Compose([RandomSampleCrop(), PhotometricDistort(), Augmenter(), Normalizer()]))#transforms.Compose([Normalizer(), Augmenter(), Resizer()]))

    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    # sampler = AspectRatioBasedSampler(dataset_train, batch_size=2, drop_last=False)
    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=8,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=32,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    # Create the model
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    # optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)
    optimizer = optim.Adam(retinanet.parameters(), lr=5e-5)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=3,
                                                     verbose=True)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))
    total_iter = 0
    for epoch_num in range(parser.epochs):

        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            try:
                total_iter = total_iter + 1
                optimizer.zero_grad()

                (classification_loss, regression_loss), reid_loss = retinanet([
                    data['img'].cuda().float(), data['annot'],
                    data['img_next'].cuda().float(), data['annot_next']
                ])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()
                reid_loss = reid_loss.mean()

                # loss = classification_loss + regression_loss + track_classification_losses
                loss = classification_loss + regression_loss + reid_loss

                if bool(loss == 0):
                    continue

                loss.backward()

                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

                optimizer.step()

                loss_hist.append(float(loss))
                epoch_loss.append(float(loss))

                # print frequency default=100 or e.g. --print_freq 500
                if total_iter % parser.print_freq == 0:
                    print(
                        'Epoch: {} | Iter: {} | Cls loss: {:1.5f} | Reid loss: {:1.5f} | Reg loss: {:1.5f} | Running loss: {:1.5f}'
                        .format(epoch_num, iter_num,
                                float(classification_loss), float(reid_loss),
                                float(regression_loss), np.mean(loss_hist)))

            except Exception as e:
                print(e)
                continue

        scheduler.step(np.mean(epoch_loss))
        # Save a checkpoint of model at given interval of epochs e.g. --save_every 10
        if epoch_num % parser.save_every == 0:
            torch.save(
                retinanet,
                os.path.join(parser.model_dir,
                             "weights_epoch_" + str(epoch_num) + ".pt"))

    retinanet.eval()

    torch.save(retinanet, os.path.join(parser.model_dir, 'model_final.pt'))
    run_from_train(parser.model_dir, parser.root_path)
Пример #23
0
        model1 = torch.load(model_wt_path1)
        model1 = model1.to(device)
        model1.eval()
        my_models.append(model1)

        model_wt_path2 = './Baseline_Ensemble/csv_retinanet_17.pt'
        model2 = torch.load(model_wt_path2)
        model2 = model2.to(device)
        model2.eval()
        my_models.append(model2)

    # In[ ]:

    test_file_path = args.test_anno_file
    csv_classes_path = 'classname2id.csv'
    epoch_num = 0
    # epoch_num = 15
    dataset_test = CSVDataset(train_file=test_file_path,
                              class_list=csv_classes_path,
                              transform=transforms.Compose(
                                  [Normalizer(), Resizer()]))
    mAP = csv_eval.evaluate(dataset_test, my_models, epoch_num)
    print(mAP)
    print('mAP over all classes', np.mean(list(mAP.values())))

# In[ ]:

# get_ipython().system(u'pwd')

# In[ ]:
Пример #24
0
def main(args=None):
    """
    In current implementation, if test csv is provided, we use that as validation set and combine the val and train csv's 
    as the csv for training.

    If train_all_labeled_data flag is use, then we combine all 3 (if test is provided) for training and use a prespecified learning rate step schedule.
    """

    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')
    parser.add_argument(
        '--csv_train',
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)',
        default=None)
    parser.add_argument(
        '--csv_test',
        help=
        'Path to file containing test annotations (optional, if provided, train & val will be combined for training and test will be used for evaluation)',
        default=None)
    parser.add_argument('--lr', type=float, default=2e-5)
    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=101)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=25)
    parser.add_argument('--model_output_dir', type=str, default='models')
    parser.add_argument(
        '--train_all_labeled_data',
        help=
        'Combine train, val, and test into 1 training set. Will use prespecified learning rate scheduler steps',
        action='store_true')
    parser.add_argument('--resnet-backbone-normalization',
                        choices=['batch_norm', 'group_norm'],
                        type=str,
                        default='batch_norm')

    parser = parser.parse_args(args)

    print('Learning Rate: {}'.format(parser.lr))
    print("Normalization: ", parser.resnet_backbone_normalization)

    # Create folder - will raise error if folder exists
    assert (os.path.exists(parser.model_output_dir) == False)
    os.mkdir(parser.model_output_dir)

    if parser.csv_train is None:
        raise ValueError('Must provide --csv_train when training,')

    if parser.csv_classes is None:
        raise ValueError('Must provide --csv_classes when training,')

    if not parser.csv_val and parser.csv_test:
        raise ValueError(
            "Cannot specify test set without specifying validation set")

    if parser.train_all_labeled_data:
        csv_paths = [parser.csv_train, parser.csv_val, parser.csv_test]
        train_csv = []
        for path in csv_paths:
            if isinstance(path, str):
                train_csv.append(path)
        val_csv = None
    else:
        if parser.csv_train and parser.csv_val and parser.csv_test:
            train_csv = [parser.csv_train, parser.csv_val
                         ]  # Combine train and val sets for training
            val_csv = parser.csv_test
        else:
            train_csv = parser.csv_train
            val_csv = parser.csv_val

    print('loading train data')
    print(train_csv)
    dataset_train = CSVDataset(train_file=train_csv,
                               class_list=parser.csv_classes,
                               transform=transforms.Compose(
                                   [Normalizer(),
                                    Augmenter(),
                                    Resizer()]))
    print(dataset_train.__len__())

    if val_csv is None:
        dataset_val = None
        print('No validation annotations provided.')
    else:
        dataset_val = CSVDataset(train_file=val_csv,
                                 class_list=parser.csv_classes,
                                 transform=transforms.Compose(
                                     [Normalizer(), Resizer()]))

    print('putting data into loader')
    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=2,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=3,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=3,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    # Create the model
    print('creating model')
    if parser.depth == 18:
        retinanet = model.resnet18(
            num_classes=dataset_train.num_classes(),
            pretrained=True,
            normalization=parser.resnet_backbone_normalization)
    elif parser.depth == 34:
        retinanet = model.resnet34(
            num_classes=dataset_train.num_classes(),
            pretrained=True,
            normalization=parser.resnet_backbone_normalization)
    elif parser.depth == 50:
        retinanet = model.resnet50(
            num_classes=dataset_train.num_classes(),
            pretrained=True,
            normalization=parser.resnet_backbone_normalization)
    elif parser.depth == 101:
        retinanet = model.resnet101(
            num_classes=dataset_train.num_classes(),
            pretrained=True,
            normalization=parser.resnet_backbone_normalization)
    elif parser.depth == 152:
        retinanet = model.resnet152(
            num_classes=dataset_train.num_classes(),
            pretrained=True,
            normalization=parser.resnet_backbone_normalization)
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=parser.lr)

    lr_factor = 0.3
    if not parser.train_all_labeled_data:
        scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                         patience=3,
                                                         factor=lr_factor,
                                                         verbose=True)
    else:
        # these milestones are for when using the lung masks - not for unmasked lung data
        scheduler = optim.lr_scheduler.MultiStepLR(
            optimizer, milestones=[12, 16, 20,
                                   24], gamma=lr_factor)  # masked training
        #scheduler = optim.lr_scheduler.MultiStepLR(optimizer, milestones=[14, 18, 22, 26], gamma=lr_factor)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    #initialize tensorboard
    writer = SummaryWriter(comment=parser.model_output_dir)

    # Augmentation
    seq = iaa.Sequential([
        iaa.Fliplr(0.5),
        iaa.Flipud(0.5),
        iaa.Affine(scale={
            "x": (1.0, 1.2),
            "y": (1.0, 1.2)
        },
                   rotate=(-20, 20),
                   shear=(-4, 4))
    ],
                         random_order=True)

    def augment(data, seq):
        for n, img in enumerate(data['img']):
            # imgaug needs dim in format (H, W, C)
            image = data['img'][n].permute(1, 2, 0).numpy()

            bbs_array = []
            for ann in data['annot'][n]:
                x1, y1, x2, y2, _ = ann
                bbs_array.append(BoundingBox(x1=x1, y1=y1, x2=x2, y2=y2))

            bbs = BoundingBoxesOnImage(bbs_array, shape=image.shape)
            image_aug, bbs_aug = seq(image=image, bounding_boxes=bbs)

            # save augmented image and chage dims to (C, H, W)
            data['img'][n] = torch.tensor(image_aug.copy()).permute(2, 0, 1)

            # save augmented annotations
            for i, bbox in enumerate(bbs_aug.bounding_boxes):
                x1, y1, x2, y2 = bbox.x1, bbox.y1, bbox.x2, bbox.y2
                obj_class = data['annot'][n][i][-1]
                data['annot'][n][i] = torch.tensor([x1, y1, x2, y2, obj_class])

        return data

    print('Num training images: {}'.format(len(dataset_train)))
    dir_training_images = os.path.join(os.getcwd(), writer.log_dir,
                                       'training_images')
    os.mkdir(dir_training_images)

    best_validation_loss = None
    best_validation_map = None

    for epoch_num in range(parser.epochs):

        writer.add_scalar('Train/LR', optimizer.param_groups[0]['lr'],
                          epoch_num)

        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            try:
                optimizer.zero_grad()

                data = augment(data, seq)

                # save a few training images to see what augmentation looks like
                if iter_num % 100 == 0 and epoch_num == 0:
                    x1, y1, x2, y2, _ = data['annot'][0][0]

                    fig, ax = plt.subplots(1)
                    ax.imshow(data['img'][0][1])
                    rect = patches.Rectangle((x1, y1),
                                             x2 - x1,
                                             y2 - y1,
                                             linewidth=1,
                                             edgecolor='r',
                                             facecolor='none',
                                             alpha=1)
                    ax.add_patch(rect)
                    fig.savefig(
                        os.path.join(dir_training_images,
                                     '{}.png'.format(iter_num)))
                    plt.close()

                classification_loss, regression_loss = retinanet(
                    [data['img'].cuda().float(), data['annot']])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()

                loss = classification_loss + regression_loss

                if bool(loss == 0):
                    continue

                loss.backward()

                if parser.resnet_backbone_normalization == 'batch_norm':
                    torch.nn.utils.clip_grad_norm_(
                        parameters=retinanet.parameters(), max_norm=0.1)
                else:
                    torch.nn.utils.clip_grad_norm_(
                        parameters=retinanet.parameters(), max_norm=0.01
                    )  # Decrease norm to reduce risk of exploding gradients

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))

                print(
                    'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
                    .format(epoch_num, iter_num, float(classification_loss),
                            float(regression_loss), np.mean(loss_hist)))

                del classification_loss
                del regression_loss
            except Exception as e:
                print(e)
                continue

        writer.add_scalar('Train/Loss', np.mean(epoch_loss), epoch_num)

        if not parser.train_all_labeled_data:
            print('Evaluating Validation Loss...')
            with torch.no_grad():
                retinanet.train()
                val_losses, val_class_losses, val_reg_losses = [], [], []
                for val_iter_num, val_data in enumerate(dataloader_val):
                    try:
                        val_classification_loss, val_regression_loss = retinanet(
                            [
                                val_data['img'].cuda().float(),
                                val_data['annot']
                            ])
                        val_losses.append(
                            float(val_classification_loss) +
                            float(val_regression_loss))
                        val_class_losses.append(float(val_classification_loss))
                        val_reg_losses.append(float(val_regression_loss))
                        del val_classification_loss, val_regression_loss
                    except Exception as e:
                        print(e)
                        continue
                print(
                    'VALIDATION Epoch: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Total loss: {:1.5f}'
                    .format(epoch_num, np.mean(val_class_losses),
                            np.mean(val_reg_losses), np.mean(val_losses)))

                # Save model with best validation loss
                if best_validation_loss is None:
                    best_validation_loss = np.mean(val_losses)
                if best_validation_loss >= np.mean(val_losses):
                    best_validation_loss = np.mean(val_losses)
                    torch.save(
                        retinanet.module,
                        parser.model_output_dir + '/best_result_valloss.pt')

                writer.add_scalar('Validation/Loss', np.mean(val_losses),
                                  epoch_num)

                # Calculate Validation mAP
                print('Evaluating validation mAP')
                mAP = csv_eval.evaluate(dataset_val, retinanet)
                print("Validation mAP: " + str(mAP[0][0]))
                if best_validation_map is None:
                    best_validation_map = mAP[0][0]
                elif best_validation_map < mAP[0][0]:
                    best_validation_map = mAP[0][0]
                    torch.save(
                        retinanet.module,
                        parser.model_output_dir + '/best_result_valmAP.pt')

                writer.add_scalar('Validation/mAP', mAP[0][0], epoch_num)

        if not parser.train_all_labeled_data:
            scheduler.step(np.mean(val_losses))
        else:
            scheduler.step()

        torch.save(
            retinanet.module,
            parser.model_output_dir + '/retinanet_{}.pt'.format(epoch_num))

    retinanet.eval()

    torch.save(retinanet, parser.model_output_dir + '/model_final.pt')
Пример #25
0
def main(args=None):
    parser = argparse.ArgumentParser(
        description=
        'Simple visualizing script for visualize a RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )

    parser.add_argument('--ROI_model', help='Path to ROI model (.pt) file.')
    parser.add_argument('--QRCode_model',
                        help="path to QRcode model(.pt) file")

    parser = parser.parse_args(args)

    if parser.dataset == 'coco':
        dataset_val = CocoDataset(parser.coco_path,
                                  set_name='val2017',
                                  transform=transforms.Compose(
                                      [Normalizer(), Resizer()]))
    elif parser.dataset == 'csv':
        dataset_val = CSVDataset(train_file=parser.csv_val,
                                 class_list=parser.csv_classes,
                                 transform=transforms.Compose([
                                     Normalizer(ROI_mean, ROI_std),
                                     Resizer()
                                 ]))
    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    dataloader_val = DataLoader(dataset_val,
                                num_workers=1,
                                collate_fn=collater,
                                batch_sampler=None,
                                sampler=None)

    ROI_net = torch.load(parser.ROI_model)
    QRCode_net = torch.load(parser.QRCode_model)

    use_gpu = True

    if use_gpu:
        ROI_net = ROI_net.cuda()
        QRCode_net = QRCode_net.cuda(0)

    ROI_net.eval()
    QRCode_net.eval()

    unnormalize = UnNormalizer(ROI_mean, ROI_std)

    def draw_caption(image, box, caption):
        b = np.array(box).astype(int)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN,
                    1, (0, 0, 0), 2)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN,
                    1, (255, 255, 255), 1)

    for idx, data in enumerate(dataloader_val):
        with torch.no_grad():
            st = time.time()
            scores, classification, transformed_anchors = ROI_net(
                data['img'].cuda().float())
            print('Elapsed time: {}'.format(time.time() - st))
            # if batch_size = 1, and batch_sampler, sampler is None, then no_shuffle, will use sequential index, then the get_image_name is OK.
            # otherwise, it will failed.
            fn = dataset_val.get_image_name(idx)
            print('fn of image:', fn)
            idxs = np.where(scores.cpu() > 0.5)
            img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()

            img[img < 0] = 0
            img[img > 255] = 255

            img = np.transpose(img, (1, 2, 0))

            img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)
            print("image shape when drawcaption:", img.shape)
            for j in range(idxs[0].shape[0]):
                bbox = transformed_anchors[idxs[0][j], :]
                x1 = int(bbox[0])
                y1 = int(bbox[1])
                x2 = int(bbox[2])
                y2 = int(bbox[3])
                label_name = dataset_val.labels[int(
                    classification[idxs[0][j]])]
                draw_caption(img, (x1, y1, x2, y2), label_name)
                cv2.rectangle(img, (x1, y1), (x2, y2),
                              color=(0, 0, 255),
                              thickness=2)

            if idxs[0].shape[0] == 1:
                origin_img = cv2.imread(fn)
                ph, pw, _ = img.shape
                ret = convert_predict_to_origin_bbox(origin_img, pw, ph, x1,
                                                     y1, x2, y2)
                if ret is None:
                    print("ERROR: convert predicted origin bbox error")
                    continue

                x1p, y1p, x2p, y2p = ret
                print("ROI predicted:", x1p, y1p, x2p, y2p)
                output_file.write(fn + ',' + str(x1p) + ',' + str(y1p) + ',' +
                                  str(x2p) + ',' + str(y2p) + ',ROI\n')
                print("!!!! FN {} saved!!!".format(fn))
                ROI = origin_img[y1p:y2p, x1p:x2p]
                cv2.rectangle(origin_img, (x1p, y1p), (x2p, y2p),
                              color=(0, 0, 255),
                              thickness=8)
                #import pdb
                #pdb.set_trace()
                ROI = ROI.astype(np.float32) / 255.0
                # normalize it
                ROI_normalized = (ROI - QRCode_mean) / QRCode_std
                #resize it
                rows, cols, cns = ROI_normalized.shape
                smallest_side = min(rows, cols)
                #rescale the image so the smallest side is min_side
                min_side = 600.0
                max_side = 900.0
                scale = min_side / smallest_side
                #check if the largest side is now greater than max_side, which can happen
                # when images have a large aspect ratio
                largest_side = max(rows, cols)
                if largest_side * scale > 900:
                    scale = max_side / largest_side

                # resize the image with the computed scale
                ROI_scale = skimage.transform.resize(
                    ROI_normalized,
                    (int(round(rows * scale)), int(round((cols * scale)))))
                rows, cols, cns = ROI_scale.shape

                pad_w = 32 - rows % 32
                pad_h = 32 - cols % 32

                ROI_padded = np.zeros(
                    (rows + pad_w, cols + pad_h, cns)).astype(np.float32)
                ROI_padded[:rows, :cols, :] = ROI_scale.astype(np.float32)
                x = torch.from_numpy(ROI_padded)
                print('x.shape:', x.shape)
                x = torch.unsqueeze(x, dim=0)
                print('x.shape after unsqueeze:', x.shape)
                x = x.permute(0, 3, 1, 2)
                print('x.shape after permute:', x.shape)

                scores, classification, transformed_anchors = QRCode_net(
                    x.cuda().float())
                print('scores:', scores)
                print('classification;', classification)
                print('transformed_anchors:', transformed_anchors)
                idxs = np.where(scores.cpu() > 0.5)
                predict_height, predict_width, _ = ROI_padded.shape

                for j in range(idxs[0].shape[0]):
                    bbox = transformed_anchors[idxs[0][j], :]
                    x1 = int(bbox[0])
                    y1 = int(bbox[1])
                    x2 = int(bbox[2])
                    y2 = int(bbox[3])
                    print("!!QRCode predicted bbox inside ROI:", x1, y1, x2,
                          y2)

                    ret = convert_predict_to_origin_bbox(
                        ROI, predict_width, predict_height, x1, y1, x2, y2)
                    if ret is None:
                        continue

                    qrcode_x1, qrcode_y1, qrcode_x2, qrcode_y2 = ret
                    print('qrcode(bbox):', qrcode_x1, qrcode_y1, qrcode_x2,
                          qrcode_y2)

                    qrcode_img_x1 = x1p + qrcode_x1
                    qrcode_img_y1 = y1p + qrcode_y1
                    qrcode_img_x2 = x1p + qrcode_x2
                    qrcode_img_y2 = y1p + qrcode_y2
                    print('!!!QRCode in image:', qrcode_img_x1, qrcode_img_y1,
                          qrcode_img_x2, qrcode_img_y2)
                    cv2.rectangle(origin_img, (qrcode_img_x1, qrcode_img_y1),
                                  (qrcode_img_x2, qrcode_img_y2),
                                  color=(255, 0, 0),
                                  thickness=8)
                    cv2.imwrite('origin_img_qrcode.png', origin_img)
                    resized = cv2.resize(origin_img, (800, 600))
                    cv2.imshow('result', resized)
            else:
                not_processed_file.write(fn + ",,,,,\n")

            if debug:
                cv2.imshow('img', img)
                cv2.setWindowTitle('img', fn)
                key = cv2.waitKey(0)
                if 'q' == chr(key & 255):
                    exit(0)

    output_file.close()
    not_processed_file.close()
Пример #26
0
def main(args=None):
	parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

	parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
	parser.add_argument('--coco_path', help='Path to COCO directory')
	parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
	parser.add_argument('--csv_test', help='Path to file containing validation annotations (optional, see readme)')

	parser.add_argument('--model', help='Path to model (.pt) file.')

	parser = parser.parse_args(args)
	'''
	if parser.dataset == 'coco':
		dataset_val = CocoDataset(parser.coco_path, set_name='val2017', transform=transforms.Compose([Normalizer(), Resizer()]))
	'''
	if parser.dataset == 'csv':
		dataset_test = CSVDataset(train_file=parser.csv_test, class_list=parser.csv_classes, transform=transforms.Compose([Normalizer(), ValResizer()]), predict=True)
	else:
		raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

	#sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
	dataloader_test = DataLoader(dataset_test, batch_size=1, shuffle=False, num_workers=0, collate_fn=collater)

	retinanet = torch.load(parser.model)

	use_gpu = True

	if use_gpu:
		retinanet = retinanet.cuda()

	retinanet.eval()

	unnormalize = UnNormalizer()

	def draw_caption(image, box, caption):

		b = np.array(box).astype(int)
		cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (0, 0, 0), 2)
		cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (255, 255, 255), 1)


	image_list = []
	x1_list = []
	width = []
	y1_list = []
	height = []
	label_list = []
	for idx, data in enumerate(dataloader_test):

		with torch.no_grad():
			st = time.time()
			scores, classification, transformed_anchors = retinanet(data['img'].cuda().float())
			#print(data['name'][0])
			if (idx+1)%100 == 0:
				print(idx+1)
			#print('Elapsed time: {}'.format(time.time()-st))
			idxs = np.where(scores>0.5)
			img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()

			img[img<0] = 0
			img[img>255] = 255

			img = np.transpose(img, (1, 2, 0))

			img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)

			for j in range(idxs[0].shape[0]):
				bbox = transformed_anchors[idxs[0][j], :]
				image_list += [data['name'][0]][36:]
				x1 = int(bbox[0])*2
				y1 = int(bbox[1])*2
				x2 = int(bbox[2])*2
				y2 = int(bbox[3])*2
				x1_list += [str(x1)]
				y1_list += [str(y1)]
				width += [str(x2-x1)]
				height += [str(y2-y1)]
				label_list += [1]
				label_name = dataset_test.labels[int(classification[idxs[0][j]])]
			if idxs[0].shape[0] == 0:
				image_list += [data['name'][0]][36:]
				x1_list += ['']
				y1_list += ['']
				width += ['']
				height += ['']
				label_list += [0]
		if (idx+1)%50 == 0:
			print(len(image_list), len(x1_list), len(y1_list), len(width), len(height), len(label_list))
	data = np.array([image_list])
	data = np.append(data, [x1_list], axis=0)
	data = np.append(data, [y1_list], axis=0)
	data = np.append(data, [width], axis=0)
	data = np.append(data, [height], axis=0)
	data = np.append(data, [label_list], axis=0)
	dataframe = pd.DataFrame(data = data.T)
	dataframe.to_csv("prediction.csv",index=False,sep=',')
Пример #27
0
def main(args=None):
    parser = argparse.ArgumentParser(description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset', help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument('--csv_classes', help='Path to file containing class list (see readme)')
    parser.add_argument('--csv_val', help='Path to file containing validation annotations (optional, see readme)')

    parser.add_argument('--model', help='Path to model (.pt) file.')

    parser = parser.parse_args(args)

    if parser.dataset == 'coco':
        dataset_val = CocoDataset(parser.coco_path, set_name='val2017',
                                  transform=transforms.Compose([Normalizer(), Resizer()]))
    elif parser.dataset == 'csv':
        dataset_val = CSVDataset(train_file=parser.csv_train, class_list=parser.csv_classes,
                                 transform=transforms.Compose([Normalizer(), Resizer()]))
    else:
        raise ValueError('Dataset type not understood (must be csv or coco), exiting.')

    sampler_val = AspectRatioBasedSampler(dataset_val, batch_size=1, drop_last=False)
    dataloader_val = DataLoader(dataset_val, num_workers=1, collate_fn=collater, batch_sampler=sampler_val)

    retinanet = torch.load(parser.model)

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet.eval()

    unnormalize = UnNormalizer()

    def draw_caption(image, box, caption):

        b = np.array(box).astype(int)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (0, 0, 0), 2)
        cv2.putText(image, caption, (b[0], b[1] - 10), cv2.FONT_HERSHEY_PLAIN, 1, (255, 255, 255), 1)

    for idx, data in enumerate(dataloader_val):

        with torch.no_grad():
            st = time.time()
            scores, classification, transformed_anchors = retinanet(data['img'].cuda().float())
            print('Elapsed time: {}'.format(time.time() - st))
            idxs = np.where(scores > 0.5)
            img = np.array(255 * unnormalize(data['img'][0, :, :, :])).copy()

            img[img < 0] = 0
            img[img > 255] = 255

            img = np.transpose(img, (1, 2, 0))

            img = cv2.cvtColor(img.astype(np.uint8), cv2.COLOR_BGR2RGB)

            for j in range(idxs[0].shape[0]):
                bbox = transformed_anchors[idxs[0][j], :]
                x1 = int(bbox[0])
                y1 = int(bbox[1])
                x2 = int(bbox[2])
                y2 = int(bbox[3])
                label_name = dataset_val.labels[int(classification[idxs[0][j]])]
                draw_caption(img, (x1, y1, x2, y2), label_name)

                cv2.rectangle(img, (x1, y1), (x2, y2), color=(0, 0, 255), thickness=2)
                print(label_name)

            cv2.imshow('img', img)
            cv2.waitKey(0)
Пример #28
0
def main(args=None):
    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument(
        '--csv_train',
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )
    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=50)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=100)
    parser.add_argument('--optimizer',
                        help='[SGD | Adam]',
                        type=str,
                        default='SGD')
    parser.add_argument('--model', help='Path to model (.pt) file.')
    parser = parser.parse_args(args)

    # Create the data loaders
    print("\n[Phase 1]: Creating DataLoader for {} dataset".format(
        parser.dataset))
    if parser.dataset == 'coco':
        if parser.coco_path is None:
            raise ValueError('Must provide --coco_path when training on COCO,')

        dataset_train = CocoDataset(parser.coco_path,
                                    set_name='train2014',
                                    transform=transforms.Compose(
                                        [Normalizer(),
                                         Augmenter(),
                                         Resizer()]))
        dataset_val = CocoDataset(parser.coco_path,
                                  set_name='val2014',
                                  transform=transforms.Compose(
                                      [Normalizer(), Resizer()]))

    elif parser.dataset == 'csv':
        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train when training on COCO,')

        if parser.csv_classes is None:
            raise ValueError(
                'Must provide --csv_classes when training on COCO,')

        dataset_train = CSVDataset(train_file=parser.csv_train,
                                   class_list=parser.csv_classes,
                                   transform=transforms.Compose(
                                       [Normalizer(),
                                        Augmenter(),
                                        Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val,
                                     class_list=parser.csv_classes,
                                     transform=transforms.Compose(
                                         [Normalizer(),
                                          Resizer()]))

    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=8,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=8,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=16,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=8,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    # Create the model
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    print('| Num training images: {}'.format(len(dataset_train)))
    print('| Num test images : {}'.format(len(dataset_val)))

    print("\n[Phase 2]: Preparing RetinaNet Detection Model...")
    use_gpu = torch.cuda.is_available()
    if use_gpu:
        device = torch.device('cuda')
        retinanet = retinanet.to(device)

    retinanet = torch.nn.DataParallel(retinanet,
                                      device_ids=range(
                                          torch.cuda.device_count()))
    print("| Using %d GPUs for Train/Validation!" % torch.cuda.device_count())
    retinanet.training = True

    if parser.optimizer == 'Adam':
        optimizer = optim.Adam(retinanet.parameters(),
                               lr=1e-5)  # not mentioned
        print("| Adam Optimizer with Learning Rate = {}".format(1e-5))
    elif parser.optimizer == 'SGD':
        optimizer = optim.SGD(retinanet.parameters(),
                              lr=1e-2,
                              momentum=0.9,
                              weight_decay=1e-4)
        print("| SGD Optimizer with Learning Rate = {}".format(1e-2))
    else:
        raise ValueError('Unsupported Optimizer, must be one of [SGD | Adam]')

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=3,
                                                     verbose=True)
    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn(
    )  # Freeze the BN parameters to ImageNet configuration

    # Check if there is a 'checkpoints' path
    if not osp.exists('./checkpoints/'):
        os.makedirs('./checkpoints/')

    print("\n[Phase 3]: Training Model on {} dataset...".format(
        parser.dataset))
    for epoch_num in range(parser.epochs):
        epoch_loss = []
        for iter_num, data in enumerate(dataloader_train):
            try:
                optimizer.zero_grad()
                classification_loss, regression_loss = retinanet(
                    [data['img'].to(device), data['annot']])
                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()
                loss = classification_loss + regression_loss
                if bool(loss == 0):
                    continue

                loss.backward()
                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.001)
                optimizer.step()
                loss_hist.append(float(loss))
                epoch_loss.append(float(loss))

                sys.stdout.write('\r')
                sys.stdout.write(
                    '| Epoch: {} | Iteration: {}/{} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
                    .format(epoch_num + 1, iter_num + 1, len(dataloader_train),
                            float(classification_loss), float(regression_loss),
                            np.mean(loss_hist)))
                sys.stdout.flush()

                del classification_loss
                del regression_loss

            except Exception as e:
                print(e)
                continue

        print("\n| Saving current best model at epoch {}...".format(epoch_num +
                                                                    1))
        torch.save(
            retinanet.state_dict(),
            './checkpoints/{}_retinanet_{}.pt'.format(parser.dataset,
                                                      epoch_num + 1))

        if parser.dataset == 'coco':
            #print('Evaluating dataset')
            coco_eval.evaluate_coco(dataset_val, retinanet, device)

        elif parser.dataset == 'csv' and parser.csv_val is not None:
            #print('Evaluating dataset')
            mAP = csv_eval.evaluate(dataset_val, retinanet, device)

        scheduler.step(np.mean(epoch_loss))

    retinanet.eval()
    torch.save(retinanet.state_dict(), './checkpoints/model_final.pt')
Пример #29
0
def main(args=None):

    parser = argparse.ArgumentParser(
        description='Simple training script for training a RetinaNet network.')

    parser.add_argument('--dataset',
                        help='Dataset type, must be one of csv or coco.')
    parser.add_argument('--coco_path', help='Path to COCO directory')
    parser.add_argument(
        '--csv_train',
        help='Path to file containing training annotations (see readme)')
    parser.add_argument('--csv_classes',
                        help='Path to file containing class list (see readme)')
    parser.add_argument(
        '--csv_val',
        help=
        'Path to file containing validation annotations (optional, see readme)'
    )

    parser.add_argument(
        '--depth',
        help='Resnet depth, must be one of 18, 34, 50, 101, 152',
        type=int,
        default=50)
    parser.add_argument('--epochs',
                        help='Number of epochs',
                        type=int,
                        default=100)

    parser = parser.parse_args(args)

    # Create the data loaders
    if parser.dataset == 'coco':

        if parser.coco_path is None:
            raise ValueError('Must provide --coco_path when training on COCO,')

        dataset_train = CocoDataset(parser.coco_path,
                                    set_name='train2017',
                                    transform=transforms.Compose(
                                        [Normalizer(),
                                         Augmenter(),
                                         Resizer()]))
        dataset_val = CocoDataset(parser.coco_path,
                                  set_name='val2017',
                                  transform=transforms.Compose(
                                      [Normalizer(), Resizer()]))

    elif parser.dataset == 'csv':

        if parser.csv_train is None:
            raise ValueError('Must provide --csv_train when training on COCO,')

        if parser.csv_classes is None:
            raise ValueError(
                'Must provide --csv_classes when training on COCO,')

        dataset_train = CSVDataset(train_file=parser.csv_train,
                                   class_list=parser.csv_classes,
                                   transform=transforms.Compose(
                                       [Normalizer(),
                                        Augmenter(),
                                        Resizer()]))

        if parser.csv_val is None:
            dataset_val = None
            print('No validation annotations provided.')
        else:
            dataset_val = CSVDataset(train_file=parser.csv_val,
                                     class_list=parser.csv_classes,
                                     transform=transforms.Compose(
                                         [Normalizer(),
                                          Resizer()]))

    else:
        raise ValueError(
            'Dataset type not understood (must be csv or coco), exiting.')

    sampler = AspectRatioBasedSampler(dataset_train,
                                      batch_size=2,
                                      drop_last=False)
    dataloader_train = DataLoader(dataset_train,
                                  num_workers=3,
                                  collate_fn=collater,
                                  batch_sampler=sampler)

    if dataset_val is not None:
        sampler_val = AspectRatioBasedSampler(dataset_val,
                                              batch_size=1,
                                              drop_last=False)
        dataloader_val = DataLoader(dataset_val,
                                    num_workers=3,
                                    collate_fn=collater,
                                    batch_sampler=sampler_val)

    # Create the model
    if parser.depth == 18:
        retinanet = model.resnet18(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 34:
        retinanet = model.resnet34(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 50:
        retinanet = model.resnet50(num_classes=dataset_train.num_classes(),
                                   pretrained=True)
    elif parser.depth == 101:
        retinanet = model.resnet101(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    elif parser.depth == 152:
        retinanet = model.resnet152(num_classes=dataset_train.num_classes(),
                                    pretrained=True)
    else:
        raise ValueError(
            'Unsupported model depth, must be one of 18, 34, 50, 101, 152')

    use_gpu = True

    if use_gpu:
        retinanet = retinanet.cuda()

    retinanet = torch.nn.DataParallel(retinanet).cuda()

    retinanet.training = True

    optimizer = optim.Adam(retinanet.parameters(), lr=1e-5)

    scheduler = optim.lr_scheduler.ReduceLROnPlateau(optimizer,
                                                     patience=3,
                                                     verbose=True)

    loss_hist = collections.deque(maxlen=500)

    retinanet.train()
    retinanet.module.freeze_bn()

    print('Num training images: {}'.format(len(dataset_train)))

    for epoch_num in range(parser.epochs):

        retinanet.train()
        retinanet.module.freeze_bn()

        epoch_loss = []

        for iter_num, data in enumerate(dataloader_train):
            try:
                optimizer.zero_grad()

                classification_loss, regression_loss = retinanet(
                    [data['img'].cuda().float(), data['annot']])

                classification_loss = classification_loss.mean()
                regression_loss = regression_loss.mean()

                loss = classification_loss + regression_loss

                if bool(loss == 0):
                    continue

                loss.backward()

                torch.nn.utils.clip_grad_norm_(retinanet.parameters(), 0.1)

                optimizer.step()

                loss_hist.append(float(loss))

                epoch_loss.append(float(loss))

                print(
                    'Epoch: {} | Iteration: {} | Classification loss: {:1.5f} | Regression loss: {:1.5f} | Running loss: {:1.5f}'
                    .format(epoch_num, iter_num, float(classification_loss),
                            float(regression_loss), np.mean(loss_hist)))

                del classification_loss
                del regression_loss
            except Exception as e:
                print(e)
                continue

        if parser.dataset == 'coco':

            print('Evaluating dataset')

            coco_eval.evaluate_coco(dataset_val, retinanet)

        elif parser.dataset == 'csv' and parser.csv_val is not None:

            print('Evaluating dataset')

            mAP = csv_eval.evaluate(dataset_val, retinanet)

        scheduler.step(np.mean(epoch_loss))

        torch.save(
            retinanet.module,
            '{}_retinanet_dilation_{}.pt'.format(parser.dataset, epoch_num))

    retinanet.eval()

    torch.save(retinanet, 'model_final_dilation.pt'.format(epoch_num))
Пример #30
0
def main(train_file, cls_file):
	dataset = CSVDataset(train_file = train_file, class_list=cls_file)
	mean, std = get_mean_and_std(dataset)
	print('mean, std:', mean, std)